27870111480 has 192 divisors, whose sum is σ = 86267916000. Its totient is φ = 7202111488.

The previous prime is 27870111463. The next prime is 27870111523. The reversal of 27870111480 is 8411107872.

It is a super-2 number, since 2×27870111480² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29999656 + ... + 30000584.

Almost surely, 2^27870111480 is an apocalyptic number.

27870111480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27870111480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43133958000).

27870111480 is an abundant number, since it is smaller than the sum of its proper divisors (58397804520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27870111480 is a wasteful number, since it uses less digits than its factorization.

27870111480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 39.

It can be divided in two parts, 27870 and 111480, that multiplied together give a square (3106947600 = 55740²).

The spelling of 27870111480 in words is "twenty-seven billion, eight hundred seventy million, one hundred eleven thousand, four hundred eighty".